Tropical Storm Ernesto gains strength as Puerto Rico, US Virgin Islands brace for impact

Tropical Storm Ernesto gains strength as Puerto Rico, US Virgin Islands brace for impact

Tropical Storm Ernesto gained strength as it passed over the Lesser Antilles on Tuesday morning as people across the Caribbean, including those living in Puerto Rico and the U.S. Virgin Islands, brace for heavy rain, damaging winds and a potentially life-threatening storm surge.